29 September 2008, 07:00 AM ET
U.S. astronauts returning to the moon will follow a path echoing Apollo.
23 September 2008, 07:00 AM ET
NASA is facing big challenges to replace the shuttle and keep astronauts aloft.
16 September 2008, 07:00 AM ET
NASA's astronaut corps faces serious challenges as the agency turns 50.
12 September 2008, 12:11 PM ET
A U.S. Senator is pushing to extend NASA seats on Russian spacecraft.
10 September 2008, 09:16 PM ET
NASA's Ares I moon rocket passed a key review late Wednesday.
10 September 2008, 05:27 PM ET
The firm SpaceX hopes to close the coming gap in U.S. space launch ability.
10 September 2008, 06:51 AM ET
The number of private groups working on suborbital vehicles is growing.
26 August 2008, 07:17 PM ET
Senators urge president to preserve option to fly shuttle past 2010.
21 August 2008, 06:25 PM ET
Proper funding and testing plan are needed for NASA's tech development program.
21 August 2008, 05:32 PM ET
A parachute test for NASA's Orion space shuttle successor went awry.
19 August 2008, 05:36 PM ET
NASA has a shock absorber solution to its new rocket's vibration problem.
13 August 2008, 05:22 PM ET
U.S. Sen. Bill Nelson said he fears Russia's action against Georgia may have consequences for NASA.
11 August 2008, 06:27 PM ET
NASA's space shuttle replacement will not fly earlier than 2014.
31 July 2008, 12:52 PM ET
Former astronaut John Glenn criticized the president for underfunding NASA's moon plan.
30 July 2008, 09:56 AM ET
NASA's LRO moon probe launch has been delayed in favor of a military mission.
30 July 2008, 06:24 AM ET
Astronauts may get a new personal navigation system on the moon.
08 July 2008, 03:48 PM ET
NASA has set the target launch dates for the last shuttle missions.
08 July 2008, 03:48 PM ET
The final schedule is set for NASA's last shuttle missions.
18 June 2008, 01:19 PM ET
Two stars thought to be identical twins were born a half million years apart.
13 June 2008, 03:30 AM ET
NASA spacesuits get new maker and look for lunar missions.
03 June 2008, 01:01 PM ET
New images reveal the Milky Way has two major arms and other minor arms.
30 May 2008, 06:49 AM ET
The most important sky map line is the ecliptic, the sun's apparent path.
15 May 2008, 05:59 PM ET
NASA is expecting delays for the first tests of its shuttle successor.
11 April 2008, 07:00 AM ET
Soaring high in the eastern sky are the Hunting Dogs, Canes Venatici.
14 March 2008, 06:43 AM ET
An increasingly bright gibbous moon won't obscure Sirius, the Dog Star.
29 February 2008, 06:53 AM ET
Why are most star patterns associated with specific seasons of the year?
18 January 2008, 09:05 PM ET
NASA's new Ares I rocket may shake too much.
19 December 2007, 03:59 PM ET
Rep. Dave Weldon has unveiled a plan to keep NASA shuttles flying beyond 2010.
19 December 2007, 07:00 AM ET
NASA is mulling whether its shuttle successor will land on water or dry land.
13 December 2007, 08:14 PM ET
NASA has named its next generation lunar lander the Altair.
12 December 2007, 06:33 PM ET
Boeing won NASA's avionics contract to build a critical system for its Ares I rockets.
12 December 2007, 06:14 PM ET
The margin for error is narrowing for NASA's new lunar orbiter.
29 November 2007, 02:00 PM ET
Stars in our galaxy pump out hot gas that make surrounding nebulas glow.
16 November 2007, 10:08 AM ET
NASA administrator says the Orion needs an extra $2 billion to fly sooner.
14 November 2007, 05:11 PM ET
NASA christened a new test launch pad for its new Orion spaceships on Wednesday.
30 October 2007, 05:53 PM ET
NASA's field centers learned their roles in developing the Ares 5.